KA-3 is an architecture firm domiciled in Berlin. Scope of services: General planning and property design, processing of challenging projects in the field of old building refurbishment and upgrade, attic conversion and construction of new buildings as well as preservation of historic buildings.
The LIVOS Group is an association of independent project partners, engaged in the development and operation of residential and commercial properties across Germany. The group is comprised of real estate project companies and operation companies as well as management partners performing technical, legal and administrative tasks.
Ortner & Ortner Baukunst
1987 Founding the joint architecture firm Ortner Architekten in Düsseldorf. Since 1990 Ortner & Ortner Baukunst in Vienna, since 1994 in Berlin and since 2006 in Cologne. 2011 O&O Baukunst, with partners Rolanda Duda, Christian Heuchel, Florian Matzker and Markus Penell. 2011 O&O Depot Berlin.
We train and examine according to IHK directives
We are Member of the Bundesverband Freier Immobilien- und Wohnungsunternehmen e.V.